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14 October, 05:54

Three tenths of a number is 2.1. Determine the number.

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  1. 14 October, 06:47
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    Ok so ... Let x be 2.1

    x = 2.1 / (3/10)

    multiply both the numerator and denominator by 10 which gives

    x = 21/3 SO the answer is ...

    x = 7 Yay! Have a god day
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